/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/array-fpi/s52iff.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 21:07:07,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 21:07:07,993 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-21 21:07:07,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 21:07:07,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 21:07:08,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 21:07:08,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 21:07:08,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 21:07:08,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 21:07:08,012 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 21:07:08,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 21:07:08,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 21:07:08,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 21:07:08,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 21:07:08,013 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 21:07:08,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 21:07:08,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 21:07:08,014 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 21:07:08,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 21:07:08,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 21:07:08,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 21:07:08,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 21:07:08,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 21:07:08,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-21 21:07:08,016 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-21 21:07:08,016 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 21:07:08,017 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-21 21:07:08,017 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 21:07:08,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 21:07:08,017 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 21:07:08,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 21:07:08,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 21:07:08,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 21:07:08,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 21:07:08,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 21:07:08,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 21:07:08,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 21:07:08,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 21:07:08,019 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-21 21:07:08,020 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-21 21:07:08,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 21:07:08,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 21:07:08,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 21:07:08,033 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 21:07:08,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 21:07:08,033 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-21 21:07:08,033 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-21 21:07:08,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 21:07:08,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 21:07:08,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 21:07:08,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 21:07:08,237 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 21:07:08,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s52iff.c [2023-12-21 21:07:09,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 21:07:09,484 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 21:07:09,485 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s52iff.c [2023-12-21 21:07:09,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519117f13/67476f20490d4d8bbdbd584432a06fe0/FLAG26b93ebf2 [2023-12-21 21:07:09,499 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/519117f13/67476f20490d4d8bbdbd584432a06fe0 [2023-12-21 21:07:09,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 21:07:09,502 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 21:07:09,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 21:07:09,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 21:07:09,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 21:07:09,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5149b95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09, skipping insertion in model container [2023-12-21 21:07:09,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 21:07:09,627 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s52iff.c[589,602] [2023-12-21 21:07:09,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 21:07:09,650 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 21:07:09,658 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s52iff.c[589,602] [2023-12-21 21:07:09,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 21:07:09,675 INFO L206 MainTranslator]: Completed translation [2023-12-21 21:07:09,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09 WrapperNode [2023-12-21 21:07:09,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 21:07:09,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 21:07:09,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 21:07:09,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 21:07:09,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,700 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-12-21 21:07:09,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 21:07:09,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 21:07:09,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 21:07:09,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 21:07:09,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,710 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,718 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 9, 6]. 53 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 6 writes are split as follows [0, 3, 3]. [2023-12-21 21:07:09,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 21:07:09,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 21:07:09,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 21:07:09,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 21:07:09,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (1/1) ... [2023-12-21 21:07:09,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 21:07:09,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 21:07:09,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-21 21:07:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 21:07:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-21 21:07:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-21 21:07:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-21 21:07:09,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-21 21:07:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-21 21:07:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2023-12-21 21:07:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2023-12-21 21:07:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2023-12-21 21:07:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-21 21:07:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-21 21:07:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-21 21:07:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-12-21 21:07:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 21:07:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 21:07:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2023-12-21 21:07:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2023-12-21 21:07:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2023-12-21 21:07:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-21 21:07:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-21 21:07:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-21 21:07:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-12-21 21:07:09,867 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 21:07:09,868 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 21:07:10,142 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 21:07:10,161 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 21:07:10,161 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-21 21:07:10,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:07:10 BoogieIcfgContainer [2023-12-21 21:07:10,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 21:07:10,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 21:07:10,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 21:07:10,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 21:07:10,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 09:07:09" (1/3) ... [2023-12-21 21:07:10,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a34320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:07:10, skipping insertion in model container [2023-12-21 21:07:10,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:07:09" (2/3) ... [2023-12-21 21:07:10,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a34320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:07:10, skipping insertion in model container [2023-12-21 21:07:10,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:07:10" (3/3) ... [2023-12-21 21:07:10,196 INFO L112 eAbstractionObserver]: Analyzing ICFG s52iff.c [2023-12-21 21:07:10,209 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 21:07:10,209 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 21:07:10,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 21:07:10,251 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@283f2b5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 21:07:10,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 21:07:10,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 19 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 21:07:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-21 21:07:10,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 21:07:10,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 21:07:10,267 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 21:07:10,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 21:07:10,273 INFO L85 PathProgramCache]: Analyzing trace with hash 845365045, now seen corresponding path program 1 times [2023-12-21 21:07:10,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 21:07:10,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847881467] [2023-12-21 21:07:10,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 21:07:10,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:07:10,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 21:07:10,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-21 21:07:10,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-21 21:07:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 21:07:10,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 21:07:10,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 21:07:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 21:07:10,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 21:07:10,397 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 21:07:10,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847881467] [2023-12-21 21:07:10,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847881467] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 21:07:10,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 21:07:10,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 21:07:10,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703301963] [2023-12-21 21:07:10,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 21:07:10,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 21:07:10,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 21:07:10,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 21:07:10,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 21:07:10,428 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 19 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 21:07:10,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 21:07:10,460 INFO L93 Difference]: Finished difference Result 37 states and 55 transitions. [2023-12-21 21:07:10,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 21:07:10,462 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-21 21:07:10,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 21:07:10,467 INFO L225 Difference]: With dead ends: 37 [2023-12-21 21:07:10,467 INFO L226 Difference]: Without dead ends: 17 [2023-12-21 21:07:10,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 21:07:10,488 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 21:07:10,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 21:07:10,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-12-21 21:07:10,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-12-21 21:07:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 21:07:10,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2023-12-21 21:07:10,509 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 12 [2023-12-21 21:07:10,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 21:07:10,510 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2023-12-21 21:07:10,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 21:07:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-21 21:07:10,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-21 21:07:10,510 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 21:07:10,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 21:07:10,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-21 21:07:10,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:07:10,713 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 21:07:10,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 21:07:10,713 INFO L85 PathProgramCache]: Analyzing trace with hash 452010334, now seen corresponding path program 1 times [2023-12-21 21:07:10,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 21:07:10,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451415050] [2023-12-21 21:07:10,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 21:07:10,716 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:07:10,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 21:07:10,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-21 21:07:10,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-21 21:07:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 21:07:10,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-21 21:07:10,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 21:07:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 21:07:10,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 21:07:10,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 21:07:10,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451415050] [2023-12-21 21:07:10,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451415050] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 21:07:10,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 21:07:10,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 21:07:10,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905630043] [2023-12-21 21:07:10,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 21:07:10,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 21:07:10,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 21:07:10,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 21:07:10,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-21 21:07:10,881 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 21:07:11,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 21:07:11,060 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2023-12-21 21:07:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 21:07:11,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-21 21:07:11,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 21:07:11,066 INFO L225 Difference]: With dead ends: 36 [2023-12-21 21:07:11,066 INFO L226 Difference]: Without dead ends: 24 [2023-12-21 21:07:11,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-21 21:07:11,067 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 25 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 21:07:11,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 11 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 21:07:11,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-12-21 21:07:11,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2023-12-21 21:07:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 21:07:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2023-12-21 21:07:11,071 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 12 [2023-12-21 21:07:11,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 21:07:11,071 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-12-21 21:07:11,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 21:07:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-21 21:07:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-21 21:07:11,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 21:07:11,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 21:07:11,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-21 21:07:11,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:07:11,274 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 21:07:11,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 21:07:11,275 INFO L85 PathProgramCache]: Analyzing trace with hash 678183220, now seen corresponding path program 1 times [2023-12-21 21:07:11,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 21:07:11,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841335786] [2023-12-21 21:07:11,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 21:07:11,275 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:07:11,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 21:07:11,276 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-21 21:07:11,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-21 21:07:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 21:07:11,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-21 21:07:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 21:07:11,386 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-12-21 21:07:11,387 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-21 21:07:11,387 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 21:07:11,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-21 21:07:11,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-21 21:07:11,592 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-21 21:07:11,594 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 21:07:11,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 09:07:11 BoogieIcfgContainer [2023-12-21 21:07:11,613 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 21:07:11,614 INFO L158 Benchmark]: Toolchain (without parser) took 2111.86ms. Allocated memory is still 218.1MB. Free memory was 175.0MB in the beginning and 141.4MB in the end (delta: 33.7MB). Peak memory consumption was 34.0MB. Max. memory is 8.0GB. [2023-12-21 21:07:11,614 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 218.1MB. Free memory is still 176.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 21:07:11,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.03ms. Allocated memory is still 218.1MB. Free memory was 174.7MB in the beginning and 162.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-21 21:07:11,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.30ms. Allocated memory is still 218.1MB. Free memory was 162.5MB in the beginning and 160.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-21 21:07:11,618 INFO L158 Benchmark]: Boogie Preprocessor took 29.24ms. Allocated memory is still 218.1MB. Free memory was 160.7MB in the beginning and 158.3MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-21 21:07:11,619 INFO L158 Benchmark]: RCFGBuilder took 431.21ms. Allocated memory is still 218.1MB. Free memory was 158.3MB in the beginning and 143.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-21 21:07:11,619 INFO L158 Benchmark]: TraceAbstraction took 1428.18ms. Allocated memory is still 218.1MB. Free memory was 192.2MB in the beginning and 141.4MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. [2023-12-21 21:07:11,623 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 218.1MB. Free memory is still 176.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 173.03ms. Allocated memory is still 218.1MB. Free memory was 174.7MB in the beginning and 162.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.30ms. Allocated memory is still 218.1MB. Free memory was 162.5MB in the beginning and 160.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.24ms. Allocated memory is still 218.1MB. Free memory was 160.7MB in the beginning and 158.3MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 431.21ms. Allocated memory is still 218.1MB. Free memory was 158.3MB in the beginning and 143.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1428.18ms. Allocated memory is still 218.1MB. Free memory was 192.2MB in the beginning and 141.4MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1, \old(cond)=1, cond=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [N=1, a={7:0}, i=0, sum={15:0}] [L32] COND TRUE i